# functional dependency

> in relational database theory, a constraint between two sets of attributes in a relation from a database

**Wikidata**: [Q597053](https://www.wikidata.org/wiki/Q597053)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Functional_dependency)  
**Source**: https://4ort.xyz/entity/functional-dependency


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)